.App {
  /* text-align: center; */
}

.App-header{
  background-color: #282c34;
  height: 60px;
  /* min-height: 100vh; */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

.App-sider{
  background-color: gray;
  width: 10%;
  height: 100%;
  min-height: 90vh;
  float: left;
  color: white;
}
.App-body{
  height: 100%;
  min-height: 100vh;
}

.App-link {
  color: #61dafb;
}